Zhejiang Yonggui Electric Equipment Co., Ltd.

Marine & Offshore Solution

Yonggui provides reliable interconnection solutions for marine and offshore applications, covering ship-to-shore power supply, underwater robotics, deep-sea operations, and offshore equipment.


Our product portfolio includes shore power and charging connectors, marine-grade stainless steel interconnect series, deep-sea sealing connectors, and underwater robot interfaces, designed to operate under high humidity, salt-spray, and pressure conditions.


All products emphasize corrosion resistance, waterproof performance, and long-term durability, meeting the requirements of harsh marine environments and supporting the industry’s transition toward cleaner and more efficient offshore energy systems as a China connector manufacturer.


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Blog & News
Yonggui MQD/MQDB Liquid Cooling Quick Disconnects for Safe and Efficient AI Data Centers
As AI technology continues to advance, the power consumption of high-performance computing hardware continues to rise. Liquid cooling has evolved from an optimization option for data centers into an ...
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Yonggui MCS Charging Connector and Vehicle Inlet Receive TÜV Rheinland Certification
Yonggui’s MCS charging connector and vehicle inlet have received TÜV Rheinland product certification. Separate Certificates of Conformity have also been issued under the EU Low Voltage Directive 201...
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SM/SH Series Underwater Connectors: Reliable Connectivity for Deep-Sea Applications
The vast ocean holds tremendous opportunities. With the rapid development of ocean observation, underwater robotics, and deep-sea operation equipment, reliability of underwater electrical connections ...
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